Tomoyuki Masuda

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cerium-based abrasive material and process for producing same
- Patent number 10,717,909
- Issue date Jul 21, 2020
- Showa Denko K.K.
- Tomoyuki Masuda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cerium oxide-based abrasive, and production method and use thereof
- Patent number 7,722,692
- Issue date May 25, 2010
- Show A Denko K.K.
- Tadashi Hiraiwa
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing particle and method for producing polishing particle
- Patent number 7,037,352
- Issue date May 2, 2006
- Showa Denko Kabushiki Kaisha
- Katsura Ito
- B24 - GRINDING POLISHING
Information Patent Grant
Cubic boron nitride composite particle
- Patent number 6,461,990
- Issue date Oct 8, 2002
- Showa Denko K.K.
- Tomoyuki Masuda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Composition for polishing glass and polishing method
- Patent number 6,248,143
- Issue date Jun 19, 2001
- Showa Denko Kabushiki Kaisha
- Tomoyuki Masuda
- B24 - GRINDING POLISHING
Information Patent Grant
Method for producing cubic boron nitride
- Patent number 5,837,214
- Issue date Nov 17, 1998
- Showa Denko K.K.
- Kousuke Shioi
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
CERIUIM-BASED ABRASIVE MATERIAL AND PROCESS FOR PRODUCING SAME
- Publication number 20180291245
- Publication date Oct 11, 2018
- SHOWA DENKO K.K.
- Tomoyuki MASUDA
- B24 - GRINDING POLISHING
Information Patent Application
Cerium Oxide-Based Abrasive, and Production Method and Use Thereof
- Publication number 20090035202
- Publication date Feb 5, 2009
- Tadashi Hiraiwa
- B24 - GRINDING POLISHING
Information Patent Application
Mixed Rare Earth Oxide, Mixed Rare Earth Fluoride, Cerium-Based Abr...
- Publication number 20070258875
- Publication date Nov 8, 2007
- SHOWA DENKO K.K.
- Tadashi Hiraiwa
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Polishing particle and method for producing polishing particle
- Publication number 20020129559
- Publication date Sep 19, 2002
- SHOWA DENKO KABUSHIKI KAISHA
- Katsura Ito
- C03 - GLASS MINERAL OR SLAG WOOL